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Finding the Fourth Proportional to 18,330.32, 27,500.08 and 10,008.12

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Solution

The fourth proportional to 18,330.32, 27,500.08 and 10,008.12 is: 15,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.32 : 27,500.08 = 10,008.12 : x
  2. Step 2: Convert to fraction form
    18,330.32/27,500.08 = 10,008.12/x
  3. Step 3: Cross multiply
    18,330.32x = 27,500.08 × 10,008.12
  4. Step 4: Simplify right side
    18,330.32x = 275,224,100.65
  5. Step 5: Solve for x
    x = 275,224,100.65/18,330.32
  6. Step 6: Final answer
    x = 15,014.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.